Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
History

Wed, 19 Feb 2025 14:45:00 +0000

Type Values Removed Values Added
Description Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function. Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-02-19T14:35:13.589Z

Reserved: 2020-07-24T00:00:00.000Z

Link: CVE-2020-15945

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-24T21:15:34.553

Modified: 2025-02-19T15:15:10.830

Link: CVE-2020-15945

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-07-09T00:00:00Z

Links: CVE-2020-15945 - Bugzilla